package exception;

import java.awt.*;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.sql.SQLException;

public class ThrowsDemo{
    public void dosome()throws IOException, AWTException{}
}
class SubClass extends ThrowsDemo{
//    public void dosome() throws IOException, AWTException {}
    //允许不再抛出异常
//    public void dosome(){}
    //允许仅抛出部分异常
//    public void dosome() throws IOException{}
    //允许抛出超类方法异常的子类型异常
//    public void dosome() throws FileNotFoundException { }
    //不允许抛出额外异常
//    public void dosome() throws SQLException {}
    //不允许抛出超类方法抛出异常的超类型异常
//    public void dosome() throws Exception{ }
}